Walikota Dumai Drs. H. Zulkifli As menghadiri acara “11th Indonesia-Malaysia-Thailand Growth Triangle (IMT-GT) Working Group on Transport Infrastructure and ICT Connectivity” di Palembang, Sumatra Selatan. Pertemuan berlangsung selama 2 hari, 19-20 Juli 2019. Jum’at (19/07/2019).